alexa Specificity, diversity, and regulation in TGF-beta superfamily signaling.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Clinical & Experimental Pharmacology

Author(s): Piek E, Heldin CH, Ten Dijke P

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Abstract Transforming growth factor-beta (TGF-beta) superfamily members are multifunctional cell-cell signaling proteins that play pivotal roles in tissue homeostasis and development of multicellular animals. They mediate their pleiotropic effects from membrane to nucleus through distinct combinations of type I and type II serine/threonine kinase receptors and their downstream effectors, known as Smad proteins. Certain Smads, termed receptor-regulated Smads, become phosphorylated by activated type I receptors and form heteromeric complexes with a common-partner Smad4, which translocates into the nucleus to control gene transcription. In addition to these signal transducing Smads, inhibitory Smads have been identified that inhibit the activation of receptor-regulated Smads. In contrast to the still growing TGF-beta superfamily (with approximately 30 members in mammals), relatively few type I and type II receptors as well as Smads have been identified. We will focus on recent insights into the molecular mechanisms by which signaling specificity between different TGF-beta superfamily members is achieved and regulated, and how a single family member can elicit a broad scala of biological responses.-Piek, E., Heldin, C.-H., ten Dijke, P. Specificity, diversity, and regulation in TGF-beta superfamily signaling.
This article was published in FASEB J and referenced in Journal of Clinical & Experimental Pharmacology

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